doc: fix wrong comment describing mnl_nlmsg_batch_stop()
doc: fix wrong comment describing mnl_nlmsg_batch_stop()

Sean says: "I did find a discrepancy in the comments versus
practice in one function and I have attached a patch fixing those
comments to this message."

Sligtly mangled by myself.

Signed-off-by: Sean Robinson <7a2b0397fbd27fc50c075c6d7633231d34f626e1@gmail.com>
Signed-off-by: Pablo Neira Ayuso <707d14912bb250caf67dfe0ea4035681fbfc4f56@netfilter.org>

chamaken/libmnl,Distrotech/libmnl,Distrotech/libmnl,chamaken/libmnl,cyclops8456/libmnl,cyclops8456/libmnl,threatstack/libmnl,cyclops8456/libmnl,remfalc/vyt-libmnl,threatstack/libmnl,vyatta/libmnl,vyatta/libmnl,vyos/libmnl,vyos/libmnl,fqrouter/libmnl,greearb/libmnl-ct,greearb/libmnl-ct,fqrouter/libmnl,remfalc/vyt-libmnl,vyos/libmnl